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Windows 7: Xfx raideon 5770 hd video card problems

11 Feb 2011   #11
stormy13
Microsoft MVP

Win 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by thefabe View Post
According to this guide your 5770 requires a minimum of 650 watts(which I think is a little high) but you also have to remember it's not so much the wattage as it is the output on the +12 volt rail(s).
Also purchasing a power supply with a minimum of a 80% efficiency rating is important. Planning to upgrade your Graphics Card? Read First...
450W actually, you quoted the Crossfire recommendation.

I do agree that his power supply is on the weak side, and if the specs for it listed here,

POWER SUPPLY - HIGH PERFORMANCE

I'm surprised it runs at all. According to that it only has 14A on the 12V rail; might be enough (barely) for when the card is at idle, but put a load on it and things will start to act up fast.


My System SpecsSystem Spec
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12 Feb 2011   #12
Kc654

Windows 7
 
 

Xfx raideon 5770 hd video card problems-pc.jpg
only happened twice today


My System SpecsSystem Spec
12 Feb 2011   #13
stormy13
Microsoft MVP

Win 7 Ultimate x64
 
 

Have a multimeter handy? Might want to check that 12V reading,

PSU Test - How to Manually Test a Power Supply With a Multimeter - Test PSU

as if it is anywhere close to the ~10V, then you really need a new power supply. You cannot rely on software for this, and manually checking is the only wya to really see what it is. Ideally it should be +/- 5%, any more or less and you can start having stability issues.
My System SpecsSystem Spec
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12 Feb 2011   #14
Kc654

Windows 7
 
 

I'm not gonna try anything with the power supply coz last time I did it blew up on me lol, so what do you think the best power supply to get for price and efficiency.
My System SpecsSystem Spec
12 Feb 2011   #15
stormy13
Microsoft MVP

Win 7 Ultimate x64
 
 

Location and budget would help.
My System SpecsSystem Spec
12 Feb 2011   #16
Solarstarshines

Windows 10 Home Premium 64bit sp1
 
 

Quote   Quote: Originally Posted by thefabe View Post
Just a thought but according to this your Raidmax power supply is a little on the weak side not to mention ( please no offense) it's not one of the better quality supplies.

According to this guide your 5770 requires a minimum of 650 watts(which I think is a little high) but you also have to remember it's not so much the wattage as it is the output on the +12 volt rail(s).
Also purchasing a power supply with a minimum of a 80% efficiency rating is important. Planning to upgrade your Graphics Card? Read First...

It has always been my opinion that when building a system the last place you should look to save money is your power supply, after all it is probably one of the most important pieces of hardware in your system. It is responsible for running everything all the time without fluctuation.
JMO Fabe

Sorry Fab but the HD 5770 need a minimal 450 watt psu ,,I have the card and box in front of me here ....

I do agree though about the PSu i ran a 600 watt psu with that card and also my 6870 with the same psu .but in turn i did upgrade it last month . ....

Anyway like Fabe was saying maybe a higher psu one certified might be of better interest and also the drivers for any hd card really suck right now

with the exception of 11.1 /with a moded 11.1 a hotfix will maintain it's stability this is just comming from someone with the card in question also failed to mention mine is DIAMOND brand
My System SpecsSystem Spec
13 Feb 2011   #17
Kc654

Windows 7
 
 

Well i live in QLD Australia and maybe a budget of $100.
My System SpecsSystem Spec
13 Feb 2011   #18
stormy13
Microsoft MVP

Win 7 Ultimate x64
 
 

No idea on shipping but something like this would be plenty and then some for your current system,

Antec EarthWatts 500W [EA-500D] - $79.00 : PC Case Gear

Have any links to places that are a little closer to you?
My System SpecsSystem Spec
16 Feb 2011   #19
SnEAky

7 x64
 
 

i have this gcard on my new pc, i get good fps then when i move or turn it drops to about 10, its frustrating ive tried everything and i cant be bothered to call the company where i got it from because there useless and charge millions tio call them. im screwed and depressed by it tbh.
My System SpecsSystem Spec
16 Feb 2011   #20
thefabe

Windows 7 ultimate 64 bit / XP Home sp3
 
 

Just so everyone knows I quoted off Punksters guide and did overlook the crossfire fact so my apologies for that.
No wonder it looked a litttle high to me.
Fabe
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 Xfx raideon 5770 hd video card problems




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